To dissolve, submerge, and cause to disappear the political or governmental system in the economic system by reducing, simplifying, decentralizing and suppressing, one after another, all the wheels of this great machine, which is called the Government or the State. --Proudhon, General Idea of the Revolution

Perkins writes, "The book was to be dedicated to the presidents of two countries, men who had been his clients whom I respected and thought of as kindred spirits - Jaime Roldós, president of Ecuador, and Omar Torrijos, president of Panama. Both had just died in fiery crashes. Their deaths were not accidental. They were assassinated because they opposed that fraternity of corporate, government, and banking heads whose goal is global empire. We Economic Hit Men failed to bring Roldós and Torrijos around, and the other type of hit men, the CIA-sanctioned jackals who were always right behind us, stepped in.

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AMY GOODMAN: You're actually called economic hit men --e.h.m.’s?

JOHN PERKINS: Yeah, it was a tongue-in-cheek term that we called ourselves. Officially, I was a chief economist. We called ourselves e.h.m.'s. It was tongue-in-cheek. It was like, nobody will believe us if we say this, you know? And, so, we went to Saudi Arabia in the early seventies. We knew Saudi Arabia was the key to dropping our dependency, or to controlling the situation. And we worked out this deal whereby the Royal House of Saud agreed to send most of their petro-dollars back to the United States and invest them in U.S. government securities. The Treasury Department would use the interest from these securities to hire U.S. companies to build Saudi Arabia–new cities, new infrastructure–which we’ve done. And the House of Saud would agree to maintain the price of oil within acceptable limits to us, which they’ve done all of these years, and we would agree to keep the House of Saud in power as long as they did this, which we’ve done, which is one of the reasons we went to war with Iraq in the first place. And in Iraq we tried to implement the same policy that was so successful in Saudi Arabia, but Saddam Hussein didn't buy. When the economic hit men fail in this scenario, the next step is what we call the jackals. Jackals are C.I.A.-sanctioned people that come in and try to foment a coup or revolution. If that doesn't work, they perform assassinations. or try to. In the case of Iraq, they weren't able to get through to Saddam Hussein. He had -- His bodyguards were too good. He had doubles. They couldn’t get through to him. So the third line of defense, if the economic hit men and the jackals fail, the next line of defense is our young men and women, who are sent in to die and kill, which is what we’ve obviously done in Iraq.

AMY GOODMAN: Can you explain how Torrijos died?

JOHN PERKINS: Omar Torrijos, the President of Panama. Omar Torrijos had signed the Canal Treaty with Carter much -- and, you know, it passed our congress by only one vote. It was a highly contended issue. And Torrijos then also went ahead and negotiated with the Japanese to build a sea-level canal. The Japanese wanted to finance and construct a sea-level canal in Panama. Torrijos talked to them about this which very much upset Bechtel Corporation, whose president was George Schultz and senior council was Casper Weinberger. When Carter was thrown out (and that’s an interesting story–how that actually happened), when he lost the election, and Reagan came in and Schultz came in as Secretary of State from Bechtel, and Weinberger came from Bechtel to be Secretary of Defense, they were extremely angry at Torrijos -- tried to get him to renegotiate the Canal Treaty and not to talk to the Japanese. He adamantly refused. He was a very principled man. He had his problem, but he was a very principled man. He was an amazing man, Torrijos. And so, he died in a fiery airplane crash, which was connected to a tape recorder with explosives in it, which -- I was there. I had been working with him. I knew that we economic hit men had failed. I knew the jackals were closing in on him, and the next thing, his plane exploded with a tape recorder with a bomb in it. There's no question in my mind that it was C.I.A. sanctioned, and most -- many Latin American investigators have come to the same conclusion. Of course, we never heard about that in our country.

I haven't read Perkins' book myself, so all I know about where he's coming from is quotes in reviews, and interviews like this one.

As for the validity, I assume his basic credentials check out because of the amount of exposure he's gotten in established right-libertarian and "progressive" venues. As for the substance of his accusations, a lot of it is probably unverifiable unless his accomplices come out of the woodwork back him up.